Website classicalwisdom.com

DoubleClick Advertisers.

DoubleClick is a provider of digital marketing technology and services. Companies come to DoubleClick for expertise in ad serving, media, video, search and affiliate marketing to help them make the most of the digital medium.

Cloud monitoring and security services

Websites with links to podcasts hosted on BuzzSprout

A rich hosted Exchange environment for every user without having to manage a server.

Previously Google Apps for Business. G Suite is a cloud-based productivity suite that helps you and your team connect and get work done from anywhere on any device. It's simple to setup, use and manage, allowing you to work smarter and focus on what really matters.

Active Email Marketing adds a proactive approach to your email campaigns. Just like a smart marketer would analyze results and follow-up with additional actions, ActiveTrail identifies opportunities in your user’s behaviors and acts upon them automatically.

Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient.

Express is a fast, unopinionated, minimalist web framework for Node.js

A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.

Google Tag Manager makes it easy for marketers to add and update website tags including analytics, remarketing, and more.

Apple Pay payments on the web provides an easy and secure way to pay on websites in Safari. By using Touch ID or double-clicking Apple Watch, users can quickly and securely provide their payment, shipping, and contact information to check out with just one touch.

PayPal is a American international e-commerce service that enables companies and individuals to send money and to accept payments without revealing any financial details.

Paypal subscription button.

Stripe is a developer-friendly way to accept payments online and in mobile apps.

Online event registration widget.

Open graph type entity tag

Open graph url entity tag

Open graph description entity tag

The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook

Open graph image entity tag

Chrome for Android, since version 39 supports the "theme-color" meta tag to allow websites control the background color of the tab's UI header.

Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.

The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.

A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".

Wesites using favicon rel tag

This page contains a meta robots tag which tells search engines and robots to index or not index the page.

Sites using Html 5 SVG Tag

Sites using Html 5 Canvas Tag

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.